Finding the Fourth Proportional to 2,700.72, 4,050.50 and 1,140.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.72 : 4,050.50 = 1,140.12 : x
2. Step 2: Convert to fraction form
   2,700.72/4,050.50 = 1,140.12/x
3. Step 3: Cross multiply
   2,700.72x = 4,050.50 × 1,140.12
4. Step 4: Simplify right side
   2,700.72x = 4,618,056.06
5. Step 5: Solve for x
   x = 4,618,056.06/2,700.72
6. Step 6: Final answer
   x = 1,709.94